﻿//
// (C) Copyright 2009 Irantha Suwandarathna (iranthas@hotmail.com)
// All rights reserved.
//

/* Copyright (c) 2001-2008, The HSQL Development Group
 * All rights reserved.
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 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
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 * this list of conditions and the following disclaimer _in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EffiProz.Core.DataTypes;

namespace EffiProz.Core
{
    /*
    * Base implementation of variables, columns of result or table.<p>
    *
    * @author Fred Toussi (fredt@users dot sourceforge.net)
    * @version 1.9.0
    * @since 1.9.0
    */
    public class ColumnBase
    {

        private String name;
        private String table;
        private String schema;
        private String catalog;
        private bool _isWriteable;
        private bool _isSearchable = true;
        protected byte parameterMode;
        protected bool _isIdentity;
        protected byte nullability;
        public SqlType dataType;

        public ColumnBase() { }

        public ColumnBase(String catalog, String schema, String table,
                          String name)
        {

            this.catalog = catalog;
            this.schema = schema;
            this.table = table;
            this.name = name;
        }

        public virtual String getNameString()
        {
            return name;
        }

        public virtual String getTableNameString()
        {
            return table;
        }

        public virtual  String getSchemaNameString()
        {
            return schema;
        }

        public virtual String getCatalogNameString()
        {
            return catalog;
        }

        public virtual String getOriginalNameString()
        {
            return name;
        }

        public virtual String getOriginalTableNameString()
        {
            return table;
        }

        public virtual String getOriginalSchemaNameString()
        {
            return schema;
        }

        public virtual String getOriginalCatalogNameString()
        {
            return catalog;
        }

        public void setIdentity(bool value)
        {
            _isIdentity = value;
        }

        public bool isIdentity()
        {
            return _isIdentity;
        }

        protected void setType(ColumnBase other)
        {
            nullability = other.nullability;
            dataType = other.dataType;
        }

        public virtual void setType(SqlType type)
        {
            this.dataType = type;
        }

        public virtual bool isNullable()
        {
            return !_isIdentity && nullability == SchemaObjectNullability.NULLABLE;
        }

        public void setNullable(bool value)
        {
            nullability = value ? SchemaObjectNullability.NULLABLE
                                : SchemaObjectNullability.NO_NULLS;
        }

        public virtual byte getNullability()
        {
            return _isIdentity ? SchemaObjectNullability.NO_NULLS
                              : nullability;
        }

        public void setNullability(byte value)
        {
            nullability = value;
        }

        public virtual bool isWriteable()
        {
            return _isWriteable;
        }

        public virtual bool isSearchable()
        {
            return _isSearchable;
        }

        public virtual void setWriteable(bool value)
        {
            _isWriteable = value;
        }

        public SqlType getDataType()
        {
            return dataType;
        }

        public byte getParameterMode()
        {
            return parameterMode;
        }

        public void setParameterMode(byte mode)
        {
            this.parameterMode = mode;
        }
    }
}
